31606714099 has 4 divisors (see below), whose sum is σ = 31607847040. Its totient is φ = 31605581160.

The previous prime is 31606714093. The next prime is 31606714133. The reversal of 31606714099 is 99041760613.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31606714099 - 2¹⁷ = 31606583027 is a prime.

It is a super-2 number, since 2×31606714099² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31606714093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523539 + ... + 580780.

It is an arithmetic number, because the mean of its divisors is an integer number (7901961760).

Almost surely, 2^31606714099 is an apocalyptic number.

31606714099 is a deficient number, since it is larger than the sum of its proper divisors (1132941).

31606714099 is a wasteful number, since it uses less digits than its factorization.

31606714099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132940.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 31606714099 in words is "thirty-one billion, six hundred six million, seven hundred fourteen thousand, ninety-nine".